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A bloom of the green worm Phyllodoce tuberculosa Kudenov, 1975 in a beach of the Southern Gulf of California, Mexico (Annelida, Errantia, Phyllodocidae)
Journal of Natural History ( IF 0.8 ) Pub Date : 2020-05-18 , DOI: 10.1080/00222933.2020.1784479
María Ana Tovar-Hernández 1 , Mónica Anabel Ortíz-Arellano 2
Affiliation  

ABSTRACT The massive presence of the green worm Phyllodoce tuberculosa Kudenov, 1975 on a beach of the southern Gulf of California (Mexico) is reported. It was found reaching densities of 48 ind/m2 during low tides, 4 days before the full moon and during the full moon of March 2020. The population comprised mainly gravid females, in a sex ratio of 1:100 (1 male per 100 females). Mature oocytes measure 110–120 μm in diameter. Mature spermatozoa have a nearly spherical head, with an elliptical nucleus, a cap-like acrosome and a long flagellum (ect-aquasperm type). This is the first finding of P. tuberculosa since its description in 1975.

中文翻译:

绿蠕虫 Phyllodoce tuberculosa Kudenov,1975 年在墨西哥加利福尼亚湾南部的海滩上盛开(Annelida、Errantia、Phyllodocidae)

摘要 1975 年,据报道在加利福尼亚湾南部(墨西哥)的海滩上大量存在绿色蠕虫 Phyllodoce tuberculosa Kudenov。在低潮期、满月前 4 天和 2020 年 3 月的满月期间,发现密度达到 48 ind/m2。人口主要包括怀孕女性,性别比例为 1:100(每 100 名女性中有 1 名男性) )。成熟卵母细胞的直径为 110–120 μm。成熟的精子有一个近球形的头部,有一个椭圆形的核、一个帽状的顶体和一个长鞭毛(ect-aquasperm type)。这是自 1975 年描述结核杆菌以来的首次发现。
更新日期:2020-05-18
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